knock - KR & high octane fuel
I'd put some leaded 110 in it and let it eat.
if you don't change timing in the PCM file anyway its already going to fatten up due to the different burn rates of the fuel.
The lead is harder on O2 sensors and catalysts, but it'd take a while to kill one (my opinion)
if you don't change timing in the PCM file anyway its already going to fatten up due to the different burn rates of the fuel.
The lead is harder on O2 sensors and catalysts, but it'd take a while to kill one (my opinion)
Thread Starter
Joined: Aug 2012
Posts: 122
From: Fargo
On my last scan of a run from 0 - 100 MPH (right after the 2nd to 3rd shift) I noticed my Dyn Air (g/cyl) was over .9 the full run and peaked at 1.02; I was showing a steady 14 - 15 degrees of advance on 91 fuel. With the higher octane fuel I'm assuming I would need to add 2 - 4 degrees advance ???
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